DC Motor Screw Drive with EverCharge® Standby Power System

Written by Michael Dryer on . Posted in Garage Doors and Operators

Cookson Door Sales newest opener and newest addition to the Elite Series™ line, the LiftMaster® 3840 3/4 HPS® DC Screw Drive with EverCharge® Standby Power System is the only screw drive garage door opener on the market with fully integrated battery backup technology. It can power the garage door opener for up to 40 full cycles within a 24-hour period in the event of a power outage, and recharges automatically when the power comes back on. The safety and security features will continue to operate as well, ensuring your family is protected during a power failure. Not only that, it has the added features of our exclusive screw drive opener design: it is specially engineered to run smoothly and quietly in extreme temperatures, and has a self-lubricating, maintenance-free rail system.

* horsepower strength with same lifting force specifications as 3/4 HP LiftMaster garage door openers
Auto-force feature constantly monitors garage door system and adjusts forces to temperature fluctuations, floor height, and door track movement
The Smart Garage Door Opener® lets you electronically program security codes from the Smart Control Panel® or the powerhead
Enclosed gear case provides continuous lubrication and protection for longer life and smoother operation
A 6-foot power cord makes connecting to a power source easier than ever
Delivers 200 watts of light with adjustable light time delay
Meets all UL325 requirements
SAFETY & SECURITY FEATURES

The Protector System® safety sensors project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down
Sensing technology will stop the door from closing if contact is made with a person or object
Opener lights turns on automatically when The Protector System’s infrared beam is broken
Security+® rolling code technology assures a new code is sent every time the remote control is used
Patented PosiLock® system ensures the door remains securely locked when the garage door is closed
Manual release handle in case of power failure
WARRANTY

Lifetime motor and belt warranty
5-year parts warranty

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